US2896332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for detecting irregularities in surfaces
Assignee: United Gas Corp
•
Filing: 1955-06-27
•
Granted: 1959-07-28
•
Expires: 1975-06-27
Abstract
No abstract record available.
Inventors
- 👤 William A Elston
- 👤 Lorin A Mcelwee
- 👤 Jr Jerry W Moore
- 👤 Jr William C Tomerlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:41
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2662297A
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US2795855A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |